Inventor · Cupertino, CA, US

Derchang Kau

57Patents
13h-index
51Co-inventors
87Inventor score

Filing activity: Sep 19, 2002 → May 5, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8385100B2 Energy-efficient set write of phase change memory with switch Physics 77 Active
US8649212B2 Method, apparatus and system to determine access information for a phase change memory Physics 67 Active
US8605531B2 Fast verify for phase change memory with switch Physics 60 Active
US8462577B2 Single transistor driver for address lines in a phase change memory and switch (PCMS) array Physics 54 Active
US8404514B2 Fabricating current-confining structures in phase change memory switch cells Electricity 30 Active
US9590012B2 Self-aligned cross-point phase change memory-switch array Electricity 28 Active
US9245926B2 Apparatuses and methods including memory access in cross point memory Electricity 26 Active
US8765581B2 Self-aligned cross-point phase change memory-switch array Electricity 26 Active
US9142271B1 Reference architecture in a cross-point memory Physics 20 Active
US7986549B1 Apparatus and method for refreshing or toggling a phase-change memory cell Physics 20 Active
US6911695B2 Transistor having insulating spacers on gate sidewalls to reduce overlap between the gate and doped extension regions of the source and drain Electricity 19 Expired
US8374022B2 Programming phase change memories using ovonic threshold switches Physics 16 Active
US9368554B2 Apparatuses and methods including memory access in cross point memory Electricity 14 Active
US9576659B2 Apparatuses and methods including memory access in cross point memory Electricity 13 Active
US9306165B2 Replacement materials processes for forming cross point memory Electricity 11 Active
US9287498B2 Dielectric thin film on electrodes for resistance change memory devices Electricity 8 Active
US7547597B2 Direct alignment scheme between multiple lithography layers Electricity 8 Active
US9734907B2 Apparatuses and methods including memory access in cross point memory Electricity 8 Active
US7764477B2 Electrostatic discharge protection circuit including ovonic threshold switches Electricity 7 Active
US8278641B2 Fabricating current-confining structures in phase change memory switch cells Electricity 6 Active
US9905296B2 Apparatuses and methods including memory access in cross point memory Electricity 6 Active
US8184469B2 Stored multi-bit data characterized by multiple-dimensional memory states Physics 5 Active
US7751226B2 Reading phase change memories with select devices Physics 5 Active
US9747978B2 Reference architecture in a cross-point memory Physics 5 Active
US9368205B2 Set and reset operation in phase change memory and associated techniques and configurations Physics 4 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.